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  <title>Document</title>
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 <script>
    var array_01 = new Array();
	var array_02 = new Array(10);
	var array_03 = new Array(1,2,3,4,5);
	var array_04 = new Array(6,7,8);
	console.log("array_01的长度="+array_01.length);
	console.log("array_02的长度="+array_02.length);
	console.log("array_03的长度="+array_03.length);
    for(var i=0;i<array_03.length;i++){
	  console.log(array_03[i]);
	}
	var array_05 = array_03.concat(array_04);
	console.log(array_05);

	var str_01 = array_05.join("");
	console.log("字符串str_01为："+str_01);

	var s = array_05.pop();
	console.log(array_05);
	console.log("s="+s);

	var str_02 = array_05.toString();
	console.log(str_02);
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